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Merichem Company Services
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Refining
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Refinery Gases
While the H2S that was dissolved in the original crude oil was flashed off during production and at the start of processing; additional H2S is generated by the reduction of other sulfur compounds during the refining process. Any processing carried out on a sulfur-containing stream will generate a non-condensing overhead off gas that contains H2S: visbreaking, coking, fluidized-bed catalytic cracking, hydrotreating, hydrofining, and hydrodesulfurization. ...